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72 lines
3.0 KiB
72 lines
3.0 KiB
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--
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-- raylib [models] example - Heightmap loading and drawing
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--
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-- This example has been created using raylib 1.6 (www.raylib.com)
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-- raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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--
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-- Copyright (c) 2014-2016 Ramon Santamaria (@raysan5)
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--
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-- Initialization
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local screenWidth = 800
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local screenHeight = 450
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InitWindow(screenWidth, screenHeight, "raylib [models] example - heightmap loading and drawing")
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-- Define our custom camera to look into our 3d world
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local camera = Camera(Vector3(18.0, 16.0, 18.0), Vector3(0.0, 0.0, 0.0), Vector3(0.0, 1.0, 0.0), 45.0)
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local image = LoadImage("resources/heightmap.png") -- Load heightmap image (RAM)
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local texture = LoadTextureFromImage(image) -- Convert image to texture (VRAM)
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local map = LoadHeightmap(image, Vector3(16, 8, 16)) -- Load heightmap model with defined size
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map.material.texDiffuse = texture -- Set map diffuse texture
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local mapPosition = Vector3(-8.0, 0.0, -8.0) -- Set model position (depends on model scaling!)
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UnloadImage(image) -- Unload heightmap image from RAM, already uploaded to VRAM
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SetCameraMode(camera, CameraMode.ORBITAL) -- Set an orbital camera mode
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SetTargetFPS(60) -- Set our game to run at 60 frames-per-second
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----------------------------------------------------------------------------------------
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-- Main game loop
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while not WindowShouldClose() do -- Detect window close button or ESC key
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-- Update
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camera = UpdateCamera(camera) -- Update camera
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-- Draw
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BeginDrawing()
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ClearBackground(RAYWHITE)
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Begin3dMode(camera)
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-- NOTE: Model is scaled to 1/4 of its original size (128x128 units)
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DrawModel(map, mapPosition, 1.0, RED)
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DrawGrid(20, 1.0)
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End3dMode()
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DrawTexture(texture, screenWidth - texture.width - 20, 20, WHITE)
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DrawRectangleLines(screenWidth - texture.width - 20, 20, texture.width, texture.height, GREEN)
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DrawFPS(10, 10)
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EndDrawing()
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---------------------------------------------------------------------------------------
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end
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-- De-Initialization
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UnloadTexture(texture) -- Unload texture
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UnloadModel(map) -- Unload model
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CloseWindow() -- Close window and OpenGL context
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